By Scott Burnstein Detroit (Knewz) — The gun used to kill Teamsters boss Jimmy Hoffa lies in a “murder-weapon” graveyard located in the backyard of a private residence in Franklin, Michigan, it’s been sensationally claimed. In a stunning development to mark the 47th anniversary of the disappearance of the one of the most powerful figures in America, the new lead has been provided to the FBI and could break open the search for Hoffa. According to sources connected to law enforcement, the house where the weapon is thought to be buried once belonged to longtime Detroit mob associate Leonard “Litt…
